CN101161318A

CN101161318A - Double net pingpong table

Info

Publication number: CN101161318A
Application number: CNA2006101226246A
Authority: CN
Inventors: 钟一鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-10-09
Filing date: 2006-10-09
Publication date: 2008-04-16

Abstract

The present invention discloses a double-net table tennis table. The table-board is rectangular, the length and width of the table-board is respectively about 302 centimeters and 165 centimeters. Two nets 1 which are identical and parallel to each other are arranged at the middle part of the table-board and the distance between the two nets 1 is about 28 centimeters, the distances from the two nets 1 to the two end lines 3 of the table-board to the two nets 1 are equally about 137 centimeters, and the height of the two nets 1 is about 15 centimeters. As two nets 1 which are divided for an appropriate distance are arranged at the center of the table-board, the length and width of the table-board are equally longer and wider than the table board of the existing table tennis, therefore the counterwork distance of the two sides in competition is lengthened, the back-and-forth rhythm of the table tennis is slower, and is propitious that a flash opportunity in the attacking and defending of the two sides comparing with the convention. Also as the table-board is reasonably lengthened and broadened, the probability of the line-out will dramatically decline in the competition of the two sides. The two sides commonly do counterwork for a plurality of rounds for each score when the table is used in competition and the playing is caused to be more furious and more wonderful.

Description

Double net pingpong table

Affiliated technical field

The present invention relates to a kind of double net pingpong table, especially longer and wideer than length, the width of the existing standard pingpong table table top respectively double net pingpong table of the length of its table top and width.

Background technology

Current general in the world standard pingpong table, its table top is a rectangle, long 274 centimetres, wide 152.5 centimetres, the height of billiard table is 76 centimetres.The height of the net of this table central mounting is 15.25 centimetres.Because the table top length of existing pingpong table has only 274 centimetres, when opposing teams crossed swords, unsatisfactory situation had following several aspect: 1, the bout rhythm of ball is too fast.Because table top length has only 274 centimetres, has determined opposing teams closely to cross swords face-to-face, the rhythm that causes table tennis to play many times on bipartite table top is too fast, often allows spectators see dazzledly, is not easy to viewing and admiring of spectators.2, because the length of billiard table falls short of, and its width is also not enough, so during the closely fierce antagonism of both sides, the off line probability outline of the likelihood ratio ball of no play is higher, and the situation of no play, and it is more more mainly to be that ball goes out the number of times of table top end line.The situation that ball goes out end line mainly contains three aspects: the angle excessive or the control racket of exerting oneself when 1, serving a ball is improper; 2, drive dynamics excessive or control racket angle improper; 3, connect the other side smash power excessive drive the time also go out end line easily.But existing pingpong table table top central authorities have only under the situation of a net, and the length and the width that increase table are unpractical.For the rhythm back and forth that makes table tennis slow, so that the viewing and admiring of spectators, International Table Tennis Federation's regulation is that to change diameter into be 40 millimeters table tennis (being called big ball) for 38 millimeters table tennis (being called bead) with original diameter, its objective is and reduce the table tennis velocity of shuttle flight, so that the bout rhythm of table tennis is more slack-off.But, adopt big ball after, the bout rhythm of table tennis is still obviously not slack-off, and both sides are than the situation of the easy out-of-bounds of ball in play still as usual.

Summary of the invention

The objective of the invention is for the bout rhythm that makes table tennis more slack-offly, and reduce the probability of no play to greatest extent, a kind of double net pingpong table is provided.

The invention provides a kind of double net pingpong table for this reason, its table top is a rectangle, the length of table top and width are more longer and wideer than length, the width of existing standard pingpong table table top respectively, and the height of this billiard table is the same with the height of existing standard pingpong table; The central authorities of this table set up two identical and be parallel to each other nets by four net posts, are separated by some centimetres between two nets, and net is parallel with the end line of table top, and the distance that two net branches are clipped to table top two end line equates.

In two nets that described table top central authorities set up any one, it is to about 137 centimetres of the distance of the nearest end line of table top.

About 15 centimetres of the net height of two nets that set up on the described table top.

The invention has the beneficial effects as follows: 1, set up two nets that are parallel to each other in table top central authorities, make table top central authorities form " isolated area " that a width is fit to, and about 137 centimetres to the distance of the nearest end line of table top on net, the length of table top has more reasonably increased like this.Therefore, apart from becoming far away, the distance of ball between the drop point on the table top of " isolated area " both sides widened when both sides resisted, and its distance that widens is two distances between the net at least.Therefore, the rhythm back and forth of ball is slack-off, has increased in a flash seldom for both sides attack and keep, and has increased the bout number of times of crossing swords naturally, has also increased spectators' the interest of viewing and admiring.2, because the setting of two nets, not only the length of table top has increased some, and the width of table top also suitably increased some, and therefore, the probability of no play can obviously descend when both sides crossed swords, and striving for like this that each divides often will crossing swords through a plurality of bouts.

Description of drawings

The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.

Fig. 1 is the perspective view of double net pingpong table of the present invention.

Fig. 2 is the vertical view of existing standard pingpong table.

Fig. 3 is the vertical view of double net pingpong table of the present invention.

The specific embodiment

Fig. 1 shows the embodiment of double net pingpong table of the present invention.The table top of this billiard table is a rectangle, and the length of table top is than the table top of existing standard pingpong table longer (about about 28 centimetres), and the width of table top is than the table top of existing standard pingpong table wideer (about about 13 centimetres).The height of this billiard table is the same with the height of existing standard pingpong table.The feature of this billiard table is: as shown in Figure 1, the table top central authorities of billiard table by four net posts 2 set up two identical and be parallel to each other net 1, be separated by about 28 centimetres between two nets 1, net 1 is parallel with the end line 3 (mesa edge) of table top, and the distance that two nets were clipped to table top two end line 3 in 1 minute equates.In two nets 1 that these table central authorities set up any one, it is to about 137 centimetres of the distance of the nearest end line 3 of table top, and the net of this length and existing standard pingpong table is about the same to the distance of table top end line.About 14 centimetres of the net height of net 1,15.25 centimetres approximately low 1.25 centimetres of the net heights of this aspect ratio existing standard pingpong table, the net height of net 1 also can be 15.25 centimetres.

As shown in Figure 1, in order accurately to set up net 1, the central authorities in two sidelines 4 all have two fixed points that the mark (not marking among Fig. 1) of net post 2 is installed on the table top, distance between the central point of two marks on every sideline 4 equates that with the gauged distance between two nets 1 distance that each mark branch is clipped to table top end line 3 equates.The central authorities of table top can also indicate two markings that are parallel to each other (it is positioned at the below, base of net 1), every markings couple together two symmetrical marks on two sidelines 4 of table top, article two, the distance between the markings equates that with gauged distance between two nets 1 markings are parallel with the end line 3 of table top.

Fig. 2 is the vertical view of existing standard pingpong table.Fig. 3 is the vertical view of double net pingpong table of the present invention.Fig. 2, table top length shown in Figure 3, width are all by 1: 24.16 scale.Table top length, width shown in Figure 2 is respectively 274 centimetres (being sideline 7 length), 152.5 centimetres (being end line 6 length), and table top length, width shown in Figure 3 is respectively 302 centimetres (being sideline 4 length), 165 centimetres (being end line 3 length).In 2 figure, Fig. 3, the sideline of two figure is parallel, is parallel to sideline 4 such as sideline 7.L2 among Fig. 3 and the L1 among Fig. 2 equate that its length all is 137 centimetres.As seen, table top length shown in Figure 3 that is to say than long 28 centimetres of table top length shown in Figure 2, and among Fig. 3 between two nets 1 is 28 centimetres apart from J; And mesa width shown in Figure 3 is wideer 12.5 centimetres than mesa width shown in Figure 2.In Fig. 2, Fig. 3, A point, E point are represented the starting point before table tennis is impacted by racket respectively, and A point, E point are identical near the position of billiard table.Among Fig. 2, B point expression table tennis is crossed the drop point of net 5 on table top after the A point is impacted by racket, then the intersection point of the extended line M1 of C point expression table tennis flight circuit AC line and table top end line 6.Among Fig. 3, F point expression table tennis is crossed the drop point of two nets 1 on table top after the E point is impacted by racket, then the intersection point of the extended line M2 of G point expression table tennis flight circuit EG line and table top end line 3.In Fig. 2, Fig. 3, R1=R2, and the distance that B point, F point minute are clipped to table top sideline 7, sideline 4 equates that in other words, B point, F the point drop point on two varying mesas respectively are identical.At Fig. 2, among Fig. 3, because L3+R1=274 centimetre, L4+R2=302 centimetre, R1=R2, so L4-L3=302-274=28 centimetre, in other words, 28 centimetres the effect because two nets 1 are separated by, L4 is longer 28 centimetres than L3, although the mesa width among Fig. 3 is wideer 12.5 centimetres than the mesa width among Fig. 2,, from Fig. 2, Fig. 3 sees, Jiao @1 represents the angle that AB line and end line 6 form, and Jiao @2 represents the angle that EF line and end line 3 form, as can be seen, Jiao @2 is more slightly bigger than Jiao @1, that is to say that the EG line among Fig. 3 than the deflection of the AC line among Fig. 2 the right a bit causes the length of M2 among Fig. 3 a little shorter than the length of M among Fig. 21.From above-mentioned situation, the EG line than AC line deflection the right a bit, it is rational that the mesa width of this explanation double net pingpong table suitably increases, even beat sideline ball, under all identical situation of starting point, the drop point of table tennis, the sideline ball angle of double net pingpong table is still a little bit smaller slightly than the sideline ball angle of existing pingpong table.Actual measurement numeral from Fig. 2, Fig. 3, AC line=14.4 centimetre (physical length is that 14.4 cm x 24.16 approximate 347.9 centimetres), EG line=15.7 centimetre (physical length is that 15.7 cm x 24.16 approximate 379.3 centimetres), therefore, the EG line is about 31.4 centimetres than AC line actual (tube) length.From 31.4 centimetres of these numerals as can be seen, double net pingpong table, make between the opposing teams that the flight circuit of table tennis has elongated on the table top, the bout rhythm of ball is slack-off naturally, for attacking and keep, both sides all win flashy chance, therefore both sides will strive for each branch, generally will crossing swords through a plurality of bouts.

The situation of comparing from above-mentioned Fig. 2, Fig. 3 is approximately to the distance of end line 3 at net 1 under 137 centimetres the situation, the table top lengthening of double net pingpong table and to widen be reasonable.Because the length of table top has suitably extended, the width of table top has also suitably been widened, therefore the effect that produces is: when 1, competing, the distance of both sides' antagonism has become far away (being two distances that net 1 is separated by at least), the rhythm back and forth of ball is slack-off like this, helps both sides and all win flashy chance in attacking and keeping.2, because table top has been widened, the probability of no play can obviously descend when both sides crossed swords.If the effect of above two aspects becomes a reality, both sides will strive for each bulb separation so, generally will pass through crossing swords of a plurality of bouts, and the appearance of this situation can make match fiercer, more excellent.

At present, double net pingpong table is just tested in the practice stage, its purpose mainly contains three: 1, determining that the distance of table top end line 3 to net 1 is about under 137 centimetres the situation, it is should what centimetres just more appropriate to test two distances between the net 1 emphatically.2, under the situation of determining the distance between two nets 1, the mesa width of test double net pingpong table should how much just more suitable.3, the net height of test double net pingpong table should what be just relatively more appropriate, such as the net height of two nets 1 be about 14 centimetres appropriate, still net height be 15.25 centimetres appropriately? more than the numeral of three aspects to could tentatively decide through several months test.

Claims

1. double net pingpong table, its table top is a rectangle, the length of table top and width are more longer and wideer than length, the width of existing standard pingpong table table top respectively, the height of this billiard table is the same with the height of existing standard pingpong table, it is characterized in that: the central authorities of this table set up two identical and be parallel to each other nets (1) by four net posts (2), be separated by some centimetres between two nets (1), net (1) is parallel with the end line (3) of table top, and two nets (1) divide the distance that is clipped to table top two end line (3) to equate.

2. according to the described double net pingpong table of claim 1, it is characterized in that: in two nets (1) that described table top central authorities set up any one, it is to about 137 centimetres of the distance of the nearest end line of table top (3).

3. according to the described double net pingpong table of claim 1, it is characterized in that: about 15 centimetres of the net height of two nets (1) that set up on the described table top.

4. according to the described double net pingpong table of claim 1, it is characterized in that: the central authorities in two sidelines (4) all have two fixed points that the mark of net post (2) is installed on the described table, distance on every sideline between the central point of two marks of (4) equates with the gauged distance between two nets (1), the distance that each mark branch is clipped to table top end line (3) equates, the central authorities of table top can also indicate two markings that are parallel to each other, every markings couple together last two the symmetrical marks in two sidelines of table top (4), article two, the distance between the markings equates that with gauged distance between two nets (1) markings are parallel with the end line (3) of table top.